Perforator



E. H. PIEHSEN.

PERFORATOR. APPLICATION mwoc. 2.1919. RENE-win Aue. 25. 1921.

@1,39312431 Patented 1161.111921 muy EDWIN PIERSEN, F TOPEKA, KANSAS, ASSIGNOR T0 THE JPI-ERSEN MAUFACTUR- l Y ING COMPANY, 0F TOPEKA, KANSAS, AGORIE'ORATION: OF KANSAS.

PERFORATOB..

rasante.

Specification of Letters llatent.` Paggntgd @Qt jij; jgg

Carved out of the application on which Patent No. 1,289,900 was granted on December 31,` 1918, and filed after grant of that patent. This application filed.` October 2, 11919, Serial No. 328,050. Renewed August 25, 1921. Serial No. 495,260.

To all whom t may concern.' Be it known that I, EDWIN IFI. PrnnsnN, af citizen of 'the United States, residing at rlopleka, in the county of Shawnee and State of {ansa-s, Box A113, have invented certain new and useful Improvements in Perforators; and Ido declare the` following to bea `full,'clear, and exact description of the in ventionfsuch as will enable others skilled in the art to which it appertains to make and use the same, reference being had tothe acterY groups. t

accompanyingA drawings, and to the letters and figures of reference marked thereon,

.graphic characters, with apparatus like that shown in my Il. S. Patent No. 1,289,900, of

December 81,1918, of whichthis is a divi-Y sion, filed` after grant of the patent, to which reference may be had for a better understanding fof the use of the tape after it has been perforated.

Although the invention is `capable of manipulation to prepare sheets, ribbons',` or tapes forvarious uses, I will describe it in connection with tapes to be prepared for use in telegraph transmitters. For such use, the tapes are first punched to provide apertures corresponding to the dotsA and dashes of telegraph characters in order that when the tape is passed along alcircuit making and breaking device, electrical impulses may be passed to the transmission line in char- In "carrying out invention I may utilize a digitally operated mechanismwhich,

under certain conditions, may comprise an `,ordinary typewriter `key board, the levers of which are provided with male punch die members that'coperate with female complementary die members to effect the perfoi ration of the tape in charactergroups as the `tape is moved between the dieV members in stepped travel.

i It is apparent thatthe advance ofthe tape must-vary according `to the length ,of the characters in: order to. .maintain uniform spaced relation between character groups ir- 1 particular keys.

4'respective of the length ofthe characters.

Such diiferential movement may be effected inv any suitable manner but preferably in that illustrated in my prior Patent 1,289,900 and in myapplication relating'to the variable escapement filed concurrently herewith.

In the drawings forming part of this specification The single figure illustrates the present invention consisting of key levers, punch dies and a complementary die, the tape advancing mechanism being represented by the `for.

warding rollers, although I do not wish to be limited to any particularform of tape feed.

Referring morein detail to the drawings', l designates a frame within which the perforatingparts `may be mounted. The:

frame is provided with a vertical rail 2, having grooves 3, within which key levers l are seated Tand pivotally mounted on a fulcrum rod 5 that preferably extends through all of the bearings 6. The forward end of each key lever is up-turned and provided with a button 7 bearing the designation of the character it represents.

Back of the rail 2 is a second rail 8 having grooves 9 corresponding in number and arrangement with the grooves 3 in .rail 2 and withln which therear ends of the levers Zlfmay be guided to insure registration of the movable punch die members on the levers with corresponding portions of tbe complementary die member.' The levers 4 are preferably struck from sheet metal and `include die teeth l0 on their upper edges,

neartheir rear ends. The die teeth are of such length and arrangement as to correspond'with the dots and dashes of the Morse or othertelegraphic code. For example, the keylever at the front of the view in the present drawing is adapted to perforate the h character consisting of four dots, the second key lever the character n consisting of a dash and dot; Vthe other key levers beingv arranged for perforating groups of apertures corresponding to the letters or characters represented by `those Located above the key levers, a suflicient distance to permit the passage of a tape and permit clearance of the punch dies, is a sta tionary complementary die 11, comprising a plate 12 that extends transversely of the `Aportion of the plate adjacent that'jnst mentioned contains a long and a short aperture corresponding to the dash and dot of the in character and the remainder of the plate is similarly apertured to correspond with the dies on the remaining key levers.

In ,the form of apparatus selected for illustration, a rail 14 is shown as attached 'toy each longitudinal edge of the comple- Y'vmentary die plate and rising therefrom to form la trough for the tape punchings to prevent their overflow into the mechanism. One.means ofadvancingthe tape'is here lshown as consisting of contacting, paired rollers 1'5, one orv both of which may be rotated by any suitablejmeans- (not shown) to effect' friction drive of the tape.V The Vvtape ll'may be-fed from a roll 17 'having revoluble mounting on a rod 18 extending transversely of the. machine and over a guide 4rod l19 adjacent Ythe counter-die to properly guide and tension the tape during vthe perforating and ,advancing` operations. A spring 2() is connected witheach lever 4 and anchored to the` base lofthe 'frame to re- ',turn'thelevers after each individual operation.

In using the device, assumingthe parts to be constructed and assembled as described, when akeylever is operated'by pressure on Vits `button 7the front end of the lever 4L is lowered and its rear end elevated to throw the punch dies 10 of that vparticular lever intothe corresponding apertures 13 of the complementary die plate yl2. As the tape is located between .the levers and the complementary die l2, elevation' of theppunch dies causes them to engage and penetrate the tape, forming apertures therein corresponding to rthe latter or othei character represented by the particular keylever ,that lis operated, the levers being brought lback to their normal inactive position by the spring-2O(y Operation of key alevers'in sequence *will this way form a .record on the'tape which, when -the tape is passed along a. circuit V`mal-king and breaking device, will beftransfferred to a .telegraph line and effect the transmission'o'f a message.

VIn fthe foregoing description vrI have described -zthe dies-as effecting perforation of -the sheet or tape to be treatedpbutiit is obvious that the complete passage of v,the malle die memberlthrough 'thetape under Icertain conditions may not necessarily be effected. 'Forexamplm the'blow against the tapemay vbe lighty enough, orthe female die member may be provided with shallow recessesI instead of perfor-ations so that simply -the impression of the die character on the lever will be embossed on the sheet; therefore, whenever the word perforation or vran expression of like import is used, it is to be understood that it contemplates either an actual perforation of the sheet or a disruption of the Vinitial cross sectional area thereof.

In order to adapt the devicefor embossed tape, I preferably provide grooves 2l iii the forwarding rollers l5 in line of the treated Iportions of the tape. This prevents ironingout upset portionsof the tape, without dctracting` from their forwarding function.

While :I have referred to mechanism for feeding the tape intermittently, a. circuit making andbreaking device, etc., I have not `i llustratedsuch parts vherein as they form n olpart of kthepresent invention and as reference maybe had to my former application forforms of suchparts.

Having thus described my invention what I claim. as new' therein and desire to secure by Letters-Patent is:

l. A perforator comprising a,plurality of digitally operated levers, each lever having character indicia on one end and a corresponding character on the opposite endVa complementary die member cooperating therewith,4 and means for conducting a tape v,between the die members.

2. `Atperforator comprising ayplurality of digitally operatedlevers, each lever having character indicia on one end anda correspending die character on the opposite end,

a rigid complementary die member coperating therewith, and means for conducting a tape between the die members.

3. In a perforator, a complementary die having aplurality o'f sets of apertures dimensioned and Ygrouped to correspond with indicia ofa telegraphic code, a key lever Afor each complementary die set, having a set of teeth thereon, dimensioncd and groupedto correspond with thecompleineiitarbrv dieset, and means for conducting a c tape between the die .members 4. a perforator, a complementary dic having sets of character openings correthereon, dimensioned `and ygrouped `to correspond with the complementary die set, op-

erable from beneath the complementary die member to extrude punchings into the trough of the complementa-ry member.

6. in a perforator, a complementary die comprising a trough-shaped member having a plurality of sets of apertures, dimen- ,sioned and grouped to correspond with indiciaJ of a telegraphic code, a key lever` for each complementary set, having a functioning portion operable from beneath the complementary member and having a set of teeth thereon dimensioned and grouped to correspond with the complementary set, to extrude punchings into the trough of the complementary member, and means for conducting a tape between the die members.

In testimony whereof l aix my signature. A

EDWIN H. PIERSEN. 

